For inquiries or questions, please don't hesitate to contact us!

　

Address:  No.23A-88A, Huangsi Street, Xicheng District, Beijing 100120, China

　

Phone:（86-10）82070680；82070681；82070682；82070683
Fax:（86-10）82070690 ； 82079576 ； 82254815
E-mail: sales@sinosi.com  or  service@sinosi.com